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Phthalic Anhydride

Phthalic Anhydride

Basic Information

Phthalic Anhydride is a white needle-like or flake-like crystal. It is slightly soluble in water and hydrolyzes to phthalic acid; it readily sublimes and is irritating. It is used in plasticizers, alkyd resins, unsaturated polyesters, dyes, pigments, pharmaceuticals, pesticides, and flame-retardant intermediates.

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product description

Basic Information

Property Value
CAS No. 85-44-9
Molecular Formula C8H4O3
Molecular Weight 148.12

product description

Phthalic Anhydride is a white needle-like or flake-like crystal. It is slightly soluble in water and hydrolyzes to phthalic acid; it readily sublimes and is irritating. It is used in plasticizers, alkyd resins, unsaturated polyesters, dyes, pigments, pharmaceuticals, pesticides, and flame-retardant intermediates.

Chemical Properties

Property Value
Melting point 131 °C
Boiling point 295 °C
Density 1.53 g/cm3
Flash point 152 °C
Appearance White needle-like crystals or flakes
Water reaction Hydrolyzes to phthalic acid

Safety Information

Property Value
Hazard class Irritant; sensitizer
Main hazards Dust and vapor irritate eyes, skin and respiratory tract; may cause sensitization
Storage Keep container dry and closed
Handling Avoid dust generation and use ventilation
Transport note Industrial solid; check local transport rules

Product Usage

Used in plasticizers, alkyd resins, unsaturated polyesters, dyes, pigments, pharmaceuticals, pesticides, and flame-retardant intermediates.

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Shipping And Transportation

Delivery Time

Inventory 2-3 working days New manufacturing 7-10 working days

Mode of Transportation
1. By Air, fast but expensive.
2. By Sea, usual and economy.
3. By Train, suit for middle Asia countries.
4. By Express, suit for small package.
We only provide highest quality goods available, accompanied by after support!

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FAQ

Q1: What international standards do your products and services comply with?

A1: Our products fully comply with international standards such as REACH, MSDS, and COA, and we strictly implement the ISO9001 quality management system. We can also provide third-party testing reports (SGS, BV, etc.) according to customer needs.


Q2: How long does it take for goods to be delivered to my country?
A2: The delivery time depends on the transport mode and destination country. Generally, sea transport takes 15-30 days, air transport takes 3-7 days, and we will optimize the transport route to shorten the delivery time as much as possible.


Can you provide customs clearance services for dangerous chemicals?
A3: Yes. Our team is proficient in the customs clearance procedures for dangerous chemicals in various countries, and can provide professional compliant declaration and customs clearance services to ensure smooth customs clearance.


Q4: Do you provide customized product and service solutions?
A4: Yes. We can provide personalized product customization and export service solutions according to your specific needs (product specifications, application scenarios, procurement volume, etc.).

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